Vulnerability identifier: #VU92896
Vulnerability risk: Low
CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-416
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the snd_hda_gen_spec_free() and create_mute_led_cdev() functions in sound/pci/hda/hda_generic.c. A local user can escalate privileges on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel:
External links
http://git.kernel.org/stable/c/a7de1002135cf94367748ffc695a29812d7633b5
http://git.kernel.org/stable/c/0e629052f013eeb61494d4df2f1f647c2a9aef47
http://git.kernel.org/stable/c/813e9f3e06d22e29872d4fd51b54992d89cf66c8
http://git.kernel.org/stable/c/549f8ffc7b2f7561bea7f90930b6c5104318e87b
Can this vulnerability be exploited remotely?
No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.